diff --git a/davtelepot/administration_tools.py b/davtelepot/administration_tools.py
index b4e40e6..508d259 100644
--- a/davtelepot/administration_tools.py
+++ b/davtelepot/administration_tools.py
@@ -538,7 +538,7 @@ def init(bot):
     async def talk_command(update):
         return await _talk_command(update, bot)
 
-    @bot.button(data='talk:///', authorization_level='admin')
+    @bot.button(prefix='talk:///', authorization_level='admin')
     async def talk_button(update):
         return await _talk_button(update, bot)
     return